Home / 11,348.46-15,652.66-8,751.80

Finding the Fourth Proportional to 11,348.46, 15,652.66 and 8,751.80

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Solution

The fourth proportional to 11,348.46, 15,652.66 and 8,751.80 is: 12,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.46 : 15,652.66 = 8,751.80 : x
  2. Step 2: Convert to fraction form
    11,348.46/15,652.66 = 8,751.80/x
  3. Step 3: Cross multiply
    11,348.46x = 15,652.66 × 8,751.80
  4. Step 4: Simplify right side
    11,348.46x = 136,988,949.79
  5. Step 5: Solve for x
    x = 136,988,949.79/11,348.46
  6. Step 6: Final answer
    x = 12,071.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.